Scheduling with time clock controls turns lights on and off, sets lighting levels for different times of day and changes the lighting profile for after-hours mode. More sophisticated systems also respond to signals sent from external control devices such as sensors or switches.
Paraffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.araffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.
1 White soft paraffin is used as a barrier cream by providing a layer of oil on the surface of the skin to prevent water evaporating from the skin surface.2  It is an emollient, sometimes known as skin lubricant. 3  It is used to soothe, smooth and hydrate the skin.efore using white soft paraffin, tell your doctor or pharmacist if you are allergic to it; or to other emollients; or if you have any other allergies. This medication should not be used if you have certain medical conditions.